label{
    display:inline-block;
    width:150px;
    text-align:right;
}
input{
    width:200px;
}
.d1{
    text-align:center;
    width:500px;
    height:320px;
    margin:0 auto;
    background-color:rgb(0,255,255);
}
hr{
    background-color: brown;
    padding:0.5px;
}
h1{
    line-height:50px;
}
.d2{
    height:50px;
}
.d3,.d4,.d5,.d6,.d7,.d8{
    width:350px;
    margin-left:80px;
}
button{
    width:80px;
    height:25px;
}
p{
    text-align:center;
    font-size:15px;
    color:red;
}